How To Fix RSOH022 - The InfoObject list contains no key fields

SAP Error Message - Details

• Message type: E = Error

• Message class: RSOH - Messages for Open Hub Interface and for InfoSpoke

• Message number: 022

• Message text: The InfoObject list contains no key fields

What causes this issue?

The InfoObject list does not include any key fields.

System Response

This can cause errors during extraction or no data extraction at all.

How to fix this error?

Include one or more key fields in the InfoObject list.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSOH022 - The InfoObject list contains no key fields ?

  The SAP error message RSOH022, which states "The InfoObject list contains no key fields," typically occurs in the context of SAP BW (Business Warehouse) when working with InfoObjects, especially during the creation or modification of InfoProviders, queries, or data models. This error indicates that the system expects at least one key field to be defined in the InfoObject list, but none are present.
  Cause:
  
  Missing Key Fields: The primary cause of this error is that the InfoObject list being used does not include any fields that are defined as key fields. Key fields are essential for uniquely identifying records in a data model.
  Incorrect Configuration: The InfoObjects may not have been configured correctly, or the selection of InfoObjects may have excluded key fields inadvertently.
  Data Model Issues: If you are working with a composite provider or a similar structure, the underlying data model may not have been set up correctly to include key fields.
  
  Solution:
  To resolve the RSOH022 error, you can take the following steps:
  
  
  Check InfoObject Configuration:
  
  Go to the InfoObject maintenance transaction (e.g., RSA1) and verify that the InfoObjects you are using have key fields defined.
  Ensure that at least one of the InfoObjects in your list is marked as a key field.
  
  
  
  Modify the InfoObject List:
  
  If you are creating or modifying a query or InfoProvider, ensure that you include at least one InfoObject that has key fields defined.
  You can add key fields by selecting appropriate InfoObjects from the available list.
  
  
  
  Review Data Model:
  
  If you are working with a composite provider or similar structure, check the underlying data sources and ensure that they include key fields.
  Make sure that the joins and unions in your data model are correctly set up to include key fields.
  
  
  
  Testing:
  
  After making the necessary changes, test the query or InfoProvider again to ensure that the error is resolved.
  
  
  
  Related Information:
  
  Key Fields in SAP BW: Key fields are essential for data integrity and performance in SAP BW. They are used to uniquely identify records and are critical for aggregations and joins.
  InfoObject Types: Understand the different types of InfoObjects (characteristics, key figures, etc.) and their roles in data modeling.
  SAP Documentation: Refer to SAP Help Portal or SAP Notes for detailed information on InfoObjects and troubleshooting common errors in BW.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting SAP community forums for further assistance.